From 4b47f82ac2378ca5fa75f4c0ac23f1b5c41965f8 Mon Sep 17 00:00:00 2001
From: Nuno Lopes <nunoplopes@sapo.pt>
Date: Mon, 31 Dec 2012 18:01:36 +0000
Subject: revert r171306, since we cannot compare APInts with different
 bitwidths

llvm-svn: 171308
---
 llvm/lib/Analysis/MemoryBuiltins.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm')

diff --git a/llvm/lib/Analysis/MemoryBuiltins.cpp b/llvm/lib/Analysis/MemoryBuiltins.cpp
index dd05c298f6e..a565617f21b 100644
--- a/llvm/lib/Analysis/MemoryBuiltins.cpp
+++ b/llvm/lib/Analysis/MemoryBuiltins.cpp
@@ -562,7 +562,7 @@ SizeOffsetType ObjectSizeOffsetVisitor::visitPHINode(PHINode &PHI) {
 SizeOffsetType ObjectSizeOffsetVisitor::visitSelectInst(SelectInst &I) {
   SizeOffsetType TrueSide  = compute(I.getTrueValue());
   SizeOffsetType FalseSide = compute(I.getFalseValue());
-  if (TrueSide == FalseSide)
+  if (bothKnown(TrueSide) && bothKnown(FalseSide) && TrueSide == FalseSide)
     return TrueSide;
   return unknown();
 }
-- 
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